diff --git a/addons/web/static/src/js/services/crash_manager.js b/addons/web/static/src/js/services/crash_manager.js
index 00cf4ae5620..b618607a47f 100644
--- a/addons/web/static/src/js/services/crash_manager.js
+++ b/addons/web/static/src/js/services/crash_manager.js
@@ -94,6 +94,7 @@ var CrashManager = AbstractService.extend({
             'odoo.exceptions.MissingError': _lt("Missing Record"),
             'odoo.exceptions.UserError': _lt("User Error"),
             'odoo.exceptions.ValidationError': _lt("Validation Error"),
+            'odoo.exceptions.Warning': _lt("Warning"),
         };
 
         this.browserDetection = new BrowserDetection();
diff --git a/odoo/addons/base/models/ir_actions.py b/odoo/addons/base/models/ir_actions.py
index 719ce0a4fda..eb6e8a8d19d 100644
--- a/odoo/addons/base/models/ir_actions.py
+++ b/odoo/addons/base/models/ir_actions.py
@@ -375,7 +375,7 @@ class IrActionsServer(models.Model):
 #  - records: recordset of all records on which the action is triggered in multi-mode; may be void
 #  - time, datetime, dateutil, timezone: useful Python libraries
 #  - log: log(message, level='info'): logging function to record debug information in ir.logging table
-#  - Warning: Warning Exception to use with raise
+#  - UserError: Warning Exception to use with raise
 # To return an action, assign: action = {...}\n\n\n\n"""
 
     @api.model
diff --git a/odoo/addons/base/views/ir_actions_views.xml b/odoo/addons/base/views/ir_actions_views.xml
index 5cccc2d526f..abb6a0366cf 100644
--- a/odoo/addons/base/views/ir_actions_views.xml
+++ b/odoo/addons/base/views/ir_actions_views.xml
@@ -337,7 +337,7 @@
                                             <li><code>records</code>: recordset of all records on which the action is triggered in multi mode; may be void</li>
                                             <li><code>time</code>, <code>datetime</code>, <code>dateutil</code>, <code>timezone</code>: useful Python libraries</li>
                                             <li><code>log(message, level='info')</code>:logging function to record debug information in <code>ir.logging</code> table</li>
-                                            <li><code>Warning</code>: Warning Exception to use with <code>raise</code></li>
+                                            <li><code>UserError</code>: Warning Exception to use with <code>raise</code></li>
                                             <li>To return an action, assign: <code>action = {...}</code></li>
                                         </ul>
                                         <div attrs="{'invisible': [('state', '!=', 'code')]}">